С выравниванием по байту » History » Version 3
krufter_multiclet, 07/19/2013 04:22 PM
| 1 | 1 | krufter_multiclet | h1. С выравниванием по байту |
|---|---|---|---|
| 2 | 1 | krufter_multiclet | |
| 3 | 1 | krufter_multiclet | +Для платы HW1-MCp04:+ |
| 4 | 1 | krufter_multiclet | |
| 5 | 1 | krufter_multiclet | <pre> |
| 6 | 1 | krufter_multiclet | .include "HDL50001_pcf.inc" |
| 7 | 1 | krufter_multiclet | |
| 8 | 1 | krufter_multiclet | .alias DM_START 0x00000000 ;start address DM for output by uart0 |
| 9 | 1 | krufter_multiclet | .alias BLOCK_SIZE 0x00000100 ;end address DM for output by uart0 |
| 10 | 1 | krufter_multiclet | .alias iterator1 2 |
| 11 | 1 | krufter_multiclet | .alias byte_DM 5 |
| 12 | 1 | krufter_multiclet | |
| 13 | 1 | krufter_multiclet | .alias UART_DATA UART0_DATA |
| 14 | 1 | krufter_multiclet | .alias UART_BDR UART0_BDR |
| 15 | 1 | krufter_multiclet | .alias UART_ST UART0_ST |
| 16 | 1 | krufter_multiclet | .alias UART_CR UART0_CR |
| 17 | 1 | krufter_multiclet | |
| 18 | 1 | krufter_multiclet | .alias UART_PORT_PIN 0x300 |
| 19 | 1 | krufter_multiclet | .alias UART_PORT_BPS GPIOB_BPS |
| 20 | 1 | krufter_multiclet | |
| 21 | 1 | krufter_multiclet | .text |
| 22 | 1 | krufter_multiclet | |
| 23 | 1 | krufter_multiclet | ;config uart |
| 24 | 1 | krufter_multiclet | initUART: |
| 25 | 1 | krufter_multiclet | jmp read_DM |
| 26 | 1 | krufter_multiclet | getl 0x00000300 |
| 27 | 1 | krufter_multiclet | wrl @1, UART_PORT_BPS |
| 28 | 1 | krufter_multiclet | getl 0x00000104 |
| 29 | 1 | krufter_multiclet | wrl @1, UART_BDR |
| 30 | 1 | krufter_multiclet | getl 0x00000003 |
| 31 | 1 | krufter_multiclet | wrl @1, UART_CR |
| 32 | 1 | krufter_multiclet | setl #iterator1, 0x00000000 |
| 33 | 1 | krufter_multiclet | complete |
| 34 | 1 | krufter_multiclet | |
| 35 | 1 | krufter_multiclet | ; read DM for define address as double word (64 bits) |
| 36 | 1 | krufter_multiclet | read_DM: |
| 37 | 1 | krufter_multiclet | getl BLOCK_SIZE |
| 38 | 1 | krufter_multiclet | subl @1, #iterator1 |
| 39 | 1 | krufter_multiclet | je @1, stop2 |
| 40 | 1 | krufter_multiclet | jne @2, out_DM |
| 41 | 1 | krufter_multiclet | getl #iterator1 |
| 42 | 1 | krufter_multiclet | addl @1, DM_START |
| 43 | 1 | krufter_multiclet | rdb @1 |
| 44 | 1 | krufter_multiclet | setb #byte_DM, @1 |
| 45 | 1 | krufter_multiclet | addl @4, 0x00000001 |
| 46 | 1 | krufter_multiclet | setl #iterator1, @1 |
| 47 | 1 | krufter_multiclet | complete |
| 48 | 1 | krufter_multiclet | |
| 49 | 1 | krufter_multiclet | out_DM: |
| 50 | 1 | krufter_multiclet | getb #byte_DM |
| 51 | 1 | krufter_multiclet | wrb @1, UART_DATA ; write to tx fifo only one byte |
| 52 | 1 | krufter_multiclet | jmp buf_TXD |
| 53 | 1 | krufter_multiclet | complete |
| 54 | 1 | krufter_multiclet | |
| 55 | 1 | krufter_multiclet | ; wait for fifo transmitter not full |
| 56 | 1 | krufter_multiclet | buf_TXD: |
| 57 | 1 | krufter_multiclet | rdl UART_ST |
| 58 | 1 | krufter_multiclet | getl 0x00000200 |
| 59 | 1 | krufter_multiclet | and @1, @2 |
| 60 | 1 | krufter_multiclet | jne @1, buf_TXD |
| 61 | 1 | krufter_multiclet | je @2, read_DM |
| 62 | 1 | krufter_multiclet | complete |
| 63 | 1 | krufter_multiclet | |
| 64 | 1 | krufter_multiclet | ; enable led 2,3 |
| 65 | 1 | krufter_multiclet | stop2: |
| 66 | 1 | krufter_multiclet | getl 0x1000 |
| 67 | 1 | krufter_multiclet | complete |
| 68 | 1 | krufter_multiclet | </pre> |
| 69 | 1 | krufter_multiclet | |
| 70 | 3 | krufter_multiclet | +Замечание:+ размер блока памяти данных BLOCK_SIZE не требует выравнивания. |
| 71 | 2 | krufter_multiclet | |
| 72 | 1 | krufter_multiclet | +Для платы LDM-MCp04:+ |
| 73 | 1 | krufter_multiclet | <pre> |
| 74 | 1 | krufter_multiclet | .include "HDL50001_pcf.inc" |
| 75 | 1 | krufter_multiclet | |
| 76 | 1 | krufter_multiclet | .alias DM_START 0x00000000 ;start address DM for output by uart0 |
| 77 | 1 | krufter_multiclet | .alias BLOCK_SIZE 0x00000100 ;end address DM for output by uart0 |
| 78 | 1 | krufter_multiclet | .alias iterator1 2 |
| 79 | 1 | krufter_multiclet | .alias byte_DM 5 |
| 80 | 1 | krufter_multiclet | |
| 81 | 1 | krufter_multiclet | .alias UART_DATA UART3_DATA |
| 82 | 1 | krufter_multiclet | .alias UART_BDR UART3_BDR |
| 83 | 1 | krufter_multiclet | .alias UART_ST UART3_ST |
| 84 | 1 | krufter_multiclet | .alias UART_CR UART3_CR |
| 85 | 1 | krufter_multiclet | |
| 86 | 1 | krufter_multiclet | .alias UART_PORT_PIN 0x300 |
| 87 | 1 | krufter_multiclet | .alias UART_PORT_BPS GPIOD_BPS |
| 88 | 1 | krufter_multiclet | |
| 89 | 1 | krufter_multiclet | .text |
| 90 | 1 | krufter_multiclet | |
| 91 | 1 | krufter_multiclet | ;config uart |
| 92 | 1 | krufter_multiclet | initUART: |
| 93 | 1 | krufter_multiclet | jmp read_DM |
| 94 | 1 | krufter_multiclet | getl 0x00000300 |
| 95 | 1 | krufter_multiclet | wrl @1, UART_PORT_BPS |
| 96 | 1 | krufter_multiclet | getl 0x00000104 |
| 97 | 1 | krufter_multiclet | wrl @1, UART_BDR |
| 98 | 1 | krufter_multiclet | getl 0x00000003 |
| 99 | 1 | krufter_multiclet | wrl @1, UART_CR |
| 100 | 1 | krufter_multiclet | setl #iterator1, 0x00000000 |
| 101 | 1 | krufter_multiclet | complete |
| 102 | 1 | krufter_multiclet | |
| 103 | 1 | krufter_multiclet | ; read DM for define address as double word (64 bits) |
| 104 | 1 | krufter_multiclet | read_DM: |
| 105 | 1 | krufter_multiclet | getl BLOCK_SIZE |
| 106 | 1 | krufter_multiclet | subl @1, #iterator1 |
| 107 | 1 | krufter_multiclet | je @1, stop2 |
| 108 | 1 | krufter_multiclet | jne @2, out_DM |
| 109 | 1 | krufter_multiclet | getl #iterator1 |
| 110 | 1 | krufter_multiclet | addl @1, DM_START |
| 111 | 1 | krufter_multiclet | rdb @1 |
| 112 | 1 | krufter_multiclet | setb #byte_DM, @1 |
| 113 | 1 | krufter_multiclet | addl @4, 0x00000001 |
| 114 | 1 | krufter_multiclet | setl #iterator1, @1 |
| 115 | 1 | krufter_multiclet | complete |
| 116 | 1 | krufter_multiclet | |
| 117 | 1 | krufter_multiclet | out_DM: |
| 118 | 1 | krufter_multiclet | getb #byte_DM |
| 119 | 1 | krufter_multiclet | wrb @1, UART_DATA ; write to tx fifo only one byte |
| 120 | 1 | krufter_multiclet | jmp buf_TXD |
| 121 | 1 | krufter_multiclet | complete |
| 122 | 1 | krufter_multiclet | |
| 123 | 1 | krufter_multiclet | ; wait for fifo transmitter not full |
| 124 | 1 | krufter_multiclet | buf_TXD: |
| 125 | 1 | krufter_multiclet | rdl UART_ST |
| 126 | 1 | krufter_multiclet | getl 0x00000200 |
| 127 | 1 | krufter_multiclet | and @1, @2 |
| 128 | 1 | krufter_multiclet | jne @1, buf_TXD |
| 129 | 1 | krufter_multiclet | je @2, read_DM |
| 130 | 1 | krufter_multiclet | complete |
| 131 | 1 | krufter_multiclet | |
| 132 | 1 | krufter_multiclet | ; enable led 2,3 |
| 133 | 1 | krufter_multiclet | stop2: |
| 134 | 1 | krufter_multiclet | getl 0x1000 |
| 135 | 1 | krufter_multiclet | complete |
| 136 | 1 | krufter_multiclet | </pre> |